TABLE 2.

Expenditures for children ages 3–7 with current-year autism spectrum disorder (ASD) continuously enrolled in noncapitated large-employer plans, by calendar year^a

	Outpatient nonemergency behavioral intervention–related spending (2017 $)		Outpatient nonemergency behavioral and mental health spending (2017 $)		Other outpatient nonemergency spending (2017 $)		Hospital services: emergency department and inpatient spending (2017 $)		Outpatient pharmacy spending (2017 $)		All spending other than outpatient nonemergency behavioral and mental health spending (2017 $)
Year	M±SD	% of all spending	M±SD	% of all spending	M±SD	% of all spending	M±SD	% of all spending	M±SD	% of all spending	M±SD	% of all spending
2011	1,746±10,923	13.2	2,859±12,217	21.7	6,893±14,189	52.2	2,045±20,548	15.5	1,400±3,936	10.6	10,338±27,573	78.3
2012	1,956±11,979	14.9	3,144±13,302	24.0	6,904±12,818	52.6	1,787±12,943	13.7	1,291±3,544	9.8	9,982±22,717	76.0
2013	2,575±13,324	18.0	3,741±14,423	26.1	7,204±15,896	50.3	1,995±19,151	13.9	1,377±4,136	9.6	10,575±30,858	73.9
2014	3,123±13,693	20.6	4,206±14,624	27.8	7,498±19,048	49.5	1,993±20,962	13.1	1,443±7,315	9.5	10,934±33,314	72.2
2015	4,837±18,039	29.1	5,868±18,967	35.3	7,573±17,806	45.6	1,779±23,771	10.7	1,381±7,840	8.3	10,733±36,944	64.7
2016	6,323±21,569	36.4	7,474±22,818	43.0	7,252±14,394	41.7	1,436±11,846	8.3	1,225±10,038	7.0	9,913±23,877	57.0
2017	8,317±22,528	41.7	9,364±23,274	46.9	7,297±15,426	36.6	1,743±14,087	8.7	1,551±14,962	7.8	10,591±30,220	53.1
% change, 2011–2017	376b		228b		6c		−15d		11e		2f

^aSource: MarketScan Commercial database, 2011–2017. Expenditures were adjusted for inflation to 2017 U.S. dollars by using the U.S. gross domestic product deflator. Children with current-year ASD diagnoses had two or more ASD claims on separate days in the calendar year.

^bp<.001, two-sample t tests (immediate form) for the changes in mean expenditures between 2011 and 2017.

^cp=.16, two-sample t test (immediate form) for the changes in mean expenditures between 2011 and 2017.

^dp=.35, two-sample t test (immediate form) for the changes in mean expenditures between 2011 and 2017.

^ep=.52, two-sample t tests (immediate form) for the changes in mean expenditures between 2011 and 2017.

^fp=.65, two-sample t test (immediate form) for the change in mean expenditures between 2011 and 2017.